Purpose: The purpose of this discussion is to understand the meaning of population, sample, descriptive and inferential. It is also to be able to identify these vocabulary words in a case study.

Post: Read the case study on pages 1 and 2 of your e-text. Use the chart on page 2 to answer the following questions based on the given case study.

1. Identify the population
2. Identify the sample
3. Is the sample representative of the population of all US moviegoers? Explain your answer.
4. Consider the following statement: "among the 1500 film artists, critics and historians polled by AFI, the top-ranking film was Citizen Kane." Is this statement descriptive or inferential? Explain your answer.